Charles F. Yocum

Charles F. Yocum's AcademicInfluence.com Rankings

Charles F. Yocum

Chemistry

#4264

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#5332

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Organic Chemistry

#695

World Rank

#792

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chemistry Degrees

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Chemistry

Charles F. Yocum's Degrees

PhD Chemistry University of California, Berkeley
Bachelors Chemistry University of California, Berkeley

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Charles F. Yocum's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

A highly resolved, oxygen‐evolving photosystem II preparation from spinach thylakoid membranes (1981) (1668)
Oxygenic Photosynthesis: The Light Reactions (1996) (915)
Structure and function of photosystems I and II. (2006) (860)
Calcium reconstitutes high rates of oxygen evolution in polypeptide depleted Photosystem II preparations (1984) (347)
Vibronic coherence in oxygenic photosynthesis. (2014) (315)
Water‐soluble 17 and 23 kDa polypeptides restore oxygen evolution activity by creating a high‐affinity binding site for Ca2+ on the oxidizing side of Photosystem II (1984) (249)
Isolation and characterization of an oxygen-evolving Photosystem II reaction center core preparation and a 28 kDa Chl-a-binding protein (1987) (228)
The calcium and chloride requirements of the O2 evolving complex (2008) (223)
Water oxidation in photosystem II: from radical chemistry to multielectron chemistry. (1989) (211)
Photosystem II and the Oxygen-Evolving Complex (1990) (156)
Evidence for a ferredoxin-dependent choline monooxygenase from spinach chloroplast stroma. (1989) (134)
Structural characterization of the manganese sites in the photosynthetic oxygen-evolving complex using x-ray absorption spectroscopy (1990) (134)
Calcium activation of photosynthetic water oxidation (1991) (130)
THE CHLORIDE REQUIREMENT FOR PHOTOSYNTHETIC OXYGEN EVOLUTION ANALYSIS OF THE EFFECTS OF CHLORIDE AND OTHER ANIONS ON AMINE INHIBITION OF THE OXYGEN-EVOLVING COMPLEX (1984) (130)
Structural and catalytic properties of the oxygen-evolving complex. Correlation of polypeptide and manganese release with the behavior of Z+ in chloroplasts and a highly resolved preparation of the PS II complex (1984) (127)
Isolation and characterization of the 47 kDa protein and the D1-D2-cytochrome b-559 complex. (1989) (117)
Stoichiometry, inhibitor sensitivity, and organization of manganese associated with photosynthetic oxygen evolution. (1981) (116)
The photosynthetic oxygen evolving complex requires chloride for its redox state S2-->S3 and S3-->S0 transitions but not for S0-->S1 or S1-->S2 transitions. (1997) (116)
The chloride requirement for photosynthetic oxygen evolution: Factors affecting nucleophilic displacement of chloride from the oxygen-evolving complex (1986) (109)
Characterization of a spinach psbS cDNA encoding the 22 kDa protein of photosystem II (1992) (107)
Recent advances in the understanding of the biological chemistry of manganese. (1999) (101)
Chlorophyll and cytochrome b‐559 content of the photochemical reaction center of photosystem II (1989) (100)
The mechanism of amine inhibition of the photosynthetic oxygen evolving complex (1983) (99)
Two-Dimensional Electronic Spectroscopy of the D1-D2-cyt b559 Photosystem II Reaction Center Complex (2010) (97)
Purification and properties of an oxygen‐evolving reaction center complex from photosystem II membranes (1986) (90)
Excited-state structure and energy-transfer dynamics of two different preparations of the reaction center of photosystem II: a hole-burning study (1990) (83)
Manganese stabilizing protein of photosystem II is a thermostable, natively unfolded polypeptide. (1999) (83)
Cyclic photophosphorylation reactions catalyzed by ferredoxin, methyl viologen and anthraquinone sulfonate. Use of photochemical reactions to optimize redox poising. (1980) (82)
Characterization of the Mn Oxidation States in Photosystem II by Kβ X-ray Fluorescence Spectroscopy (1998) (78)
The PSII calcium site revisited (2007) (73)
Activating anions that replace Cl- in the O2-evolving complex of photosystem II slow the kinetics of the terminal step in water oxidation and destabilize the S2 and S3 states. (1999) (71)
Evidence for two cyclic photophosphorylation reactions concurrent with ferredoxin-catalyzed non-cyclic electron transport (1985) (68)
Reduced derivatives of the Mn cluster in the oxygen-evolving complex of photosystem II: An EXAFS study (1996) (67)
Structure of the oxygen-evolving complex of Photosystem II: Calcium and lanthanum compete for sites on the oxidizing side of Photosystem II which control the binding of water-soluble polypeptides and regulate the activity of the manganese complex (1985) (66)
Current status of the role of Cl− ion in the oxygen-evolving complex (2007) (63)
X-ray Absorption Spectroscopy of Calcium-Substituted Derivatives of the Oxygen-Evolving Complex of Phostosytem II (1996) (62)
PsbO, the manganese-stabilizing protein: analysis of the structure-function relations that provide insights into its role in photosystem II. (2011) (60)
Regulation of Cyclic Photophosphorylation during Ferredoxin-Mediated Electron Transport : Effect of DCMU and the NADPH/NADP Ratio. (1987) (59)
Conformational changes in the extrinsic manganese stabilizing protein can occur upon binding to the photosystem II reaction center: an isotope editing and FT-IR study. (1998) (55)
Photosynthetic Electron Transfer in Preparations of the Cyanobacterium Spirulina platensis. (1982) (52)
Characterization by electron microscopy of isolated particles and two-dimensional crystals of the CP47-D1-D2-cytochrome b-559 complex of photosystem II. (1990) (51)
On the Question of the Chlorophyll a Content of the Photosystem II Reaction Center (1994) (50)
Reduced Derivatives of the Manganese Cluster in the Photosynthetic Oxygen-Evolving Complex (1992) (46)
Ferredoxin reducing substance (FRS) from spinach. (1969) (43)
Exciton Level Structure and Dynamics in the CP47 Antenna Complex of Photosystem II (1994) (42)
S-state dependence of chloride binding affinities and exchange dynamics in the intact and polypeptide-depleted O2 evolving complex of photosystem II. (1998) (41)
Functional reconstitution of photosystem II with recombinant manganese-stabilizing proteins containing mutations that remove the disulfide bridge. (1996) (40)
Mutation Val235Ala weakens binding of the 33-kDa manganese stabilizing protein of photosystem II to one of two sites. (1997) (40)
N-terminal truncations of manganese stabilizing protein identify two amino acid sequences required for binding of the eukaryotic protein to photosystem II and reveal the absence of one binding-related sequence in cyanobacteria. (2002) (39)
The Calcium and Chloride Cofactors (2005) (38)
Topological studies of spinach 22 kDa protein of Photosystem II. (1994) (38)
Monovalent cations (Na+, K+, Cs+) inhibit calcium activation of photosynthetic oxygen evolution (1989) (38)
Factors influencing hydroxylamine inactivation of photosynthetic water oxidation. (1981) (38)
EPR characterization of the CP47-D1-D2-cytochrome b-559 complex of photosystem II. (1990) (36)
N-terminus of the photosystem II manganese stabilizing protein: effects of sequence elongation and truncation. (2002) (36)
On the role of water‐soluble polypeptides (17, 23 kDa), calcium and chloride in photosynthetic oxygen evolution (1985) (35)
Comparative properties of hydroquinone and hydroxylamine reduction of the Ca(2+)-stabilized O2-evolving complex of photosystem II: reductant-dependent Mn2+ formation and activity inhibition. (1992) (35)
Amino acid sequences and solution structures of manganese stabilizing protein that affect reconstitution of Photosystem II activity (2004) (35)
Reconstitution of cyanobacterial photophosphorylation by a latent Ca2+-ATPase. (1979) (34)
Effect of manganese on the nuclear magnetic relaxivity of water protons in chloroplast suspensions. (1980) (33)
Simulations of the two-dimensional electronic spectroscopy of the photosystem II reaction center. (2013) (33)
Reduction-induced inhibition and Mn(II) release from the photosystem II oxygen-evolving complex by hydroquinone or NH2OH are consistent with a Mn(III)/Mn(III)/Mn(IV)/Mn(IV) oxidation state for the dark-adapted enzyme. (2005) (32)
Polypeptides of the oxygen-evolving photosystem II complex. Immunological detection and biogenesis. (1986) (32)
Amine‐induced inhibition of photosynthetic oxygen evolution (1981) (32)
Leucine 245 is a critical residue for folding and function of the manganese stabilizing protein of photosystem II. (1999) (31)
Calcium retards NH2OH inhibition of O2 evolution activity by stabilization of Mn2+ binding to photosystem II. (1991) (31)
The carboxyl-terminal tripeptide of the manganese-stabilizing protein is required for quantitative assembly into photosystem II and for high rates of oxygen evolution activity. (1998) (31)
Deprotonation of the 33-kDa, Extrinsic, Manganese-stabilizing Subunit Accompanies Photooxidation of Manganese in Photosystem II* (1999) (31)
Binding of manganese stabilizing protein to photosystem II: identification of essential N-terminal threonine residues and domains that prevent nonspecific binding. (2003) (30)
Mutagenesis of basic residues R151 and R161 in manganese-stabilizing protein of photosystem II causes inefficient binding of chloride to the oxygen-evolving complex. (2006) (30)
S-state dependence of the calcium requirement and binding characteristics in the oxygen-evolving complex of photosystem II. (2008) (29)
Mn2+ reduces Yz+ in manganese-depleted Photosystem II preparations (1989) (29)
Structure and Activity of the Photosystem II Manganese-Stabilizing Protein: Role of the Conserved Disulfide Bond (2005) (28)
Inhibition of chloroplast electron transport reactions by trifluralin and diallate. (1977) (27)
Inorganic cofactor stabilization and retention: the unique functions of the two PsbO subunits of eukaryotic photosystem II. (2008) (26)
Electron Transfer and Energy Transduction in Photosynthesis: An Overview (1996) (26)
Reconstitution of the spinach oxygen-evolving complex with recombinant Arabidopsis manganese-stabilizing protein (1994) (25)
Cold-sensitive assembly of a mutant manganese-stabilizing protein caused by a Val to Ala replacement. (1996) (24)
Field-dispersion profiles of the proton spin-lattice relaxation rate in chloroplast suspensions. Effect of manganese extraction by EDTA, Tris, and hydroxylamine. (1980) (24)
Ferredoxin-reducing substance (FRS) from spinach. II. Separation and assay. (1970) (24)
Calcium depletion modifies the structure of the photosystem II O(2)-evolving complex. (2002) (23)
Transient Absorption Studies of the Primary Charge Separation in Photosystem II (1996) (22)
Polypeptides of photosystem II and their role in oxygen evolution (2004) (21)
Hydrogen peroxide oxidation catalyzed by chloride-depleted thylakoid membranes (1988) (19)
Properties of the cyanobacterial coupling factor ATPase from Spirulina platensis. II. Activity of the purified and membrane-bound enzymes. (1986) (19)
The oxidation state of the photosystem II manganese cluster influences the structure of manganese stabilizing protein. (2001) (19)
Properties of the cyanobacterial coupling factor ATPase from Spirulina platensis. I. Electrophoretic characterization and reconstitution of photophosphorylation. (1986) (19)
Asp157 is required for the function of PsbO, the photosystem II manganese stabilizing protein. (2009) (19)
Spectroscopic characterization of CP26, a chlorophyll ab binding protein of the higher plant Photosystem II complex (1994) (18)
Probing reactive sites within the Photosystem II manganese cluster: Evidence for separate populations of manganese that differ in redox potential (2004) (17)
Photophosphorylation Associated with Photosystem II: I. Photosystem II Cyclic Photophosphorylation Catalyzed by p-Phenylenediamine. (1977) (17)
Evidence for two sites of inhibition of photosynthetic electron transport by dibromothymoquinone. (1978) (17)
[55] Measurement of photophosphorylation associated with photosystem II (1980) (16)
Structure-function relationships in the 47-kDa antenna protein and its complex with the photosystem II reaction center core: insights from picosecond fluorescence decay kinetics and resonance Raman spectroscopy. (1994) (16)
Function of PsbO, the photosystem II manganese-stabilizing protein: probing the role of aspartic acid 157. (2010) (16)
Gel filtration behavior of heparin and N-desulfated heparin. (1968) (16)
The Photosynthesis "Oxygen Clock" Gets a New Number (2005) (16)
The kinetics of water exchange across the chloroplast membrane. (1980) (15)
Comparative structural and catalytic properties of oxygen-evolving photosystem II preparations (2004) (15)
Probing the topography of the photosystem II oxygen evolving complex: PsbO is required for efficient calcium protection of the manganese cluster against dark-inhibition by an artificial reductant (2011) (14)
STRUCTURE AND INHIBITION OF COMPONENTS ON THE OXIDIZING SIDE OF PHOTOSYSTEM II (1983) (14)
Effects of cholate on photosystem II: Selective extraction of a 22 kDa polypeptide and modification of QB-site activity (1993) (14)
Topology of NH2OH induced Mn(II) release from chloroplast thylakoid membranes. (1981) (14)
Calcium depletion modifies the structure of the photosystem II O2-evolving complex (2001) (13)
Site-directed mutagenesis of conserved C-terminal tyrosine and tryptophan residues of PsbO, the photosystem II manganese-stabilizing protein, alters its activity and fluorescence properties. (2008) (13)
PHOTOCHEMICAL GENERATION OF REDUCED QUINONE CATALYSTS OF PHOTOSYSTEM I CYCLIC PHOTOPHOSPHORYLATION ACTIVITY (1979) (13)
The mechanism of quinonediimine acceptor activity in photosynthetic electron transport. (1976) (13)
Reconstitution of the photosystem II Ca2+ binding site. (2004) (13)
Heparin inhibition of ferredoxin-NADP reductase in chloroplast thylakoid membranes. (1985) (12)
ELECTRON TRANSPORT ACTIVITY AND POLYPEPTIDE COMPOSITION OF THE ISOLATED PHOTOSYSTEM II COMPLEX (1983) (12)
pH optimum of the photosystem II H₂O oxidation reaction: effects of PsbO, the manganese-stabilizing protein, Cl- retention, and deprotonation of a component required for O₂ evolution activity. (2012) (12)
Structure and Function in the Isolated Reaction Center Complex of Photosystem II. 1. Ultrafast Fluorescence Measurements of PSII (1997) (12)
NMR relaxivity changes in chloroplast suspensions. Effects of NH2OH and of treatments altering the redox state of the photosynthetic electron transport chain. (1980) (10)
Cation-induced, inhibitor-resistant photosystem II reactions in cyanobacterial membranes. (1981) (10)
Characterization of inhibitory effects of NH2OH and its N-methyl derivatives on the O2-evolving complex of Photosystem II (2004) (10)
Photophosphorylation Associated with Photosystem II: II. Effects of Electron Donors, Catalyst Oxidation, and Electron Transport Inhibitors on Photosystem II Cyclic Photophosphorylation. (1977) (9)
Cyanobacterial and chloroplast F1-ATPases: cross-reconstitution of photophosphorylation and subunit immunological relationships (1986) (9)
ESR spectroscopy demonstrates that cytochrome b559 remains low potential in Ca2+-reactivated, salt-washed PSII particles (2004) (8)
A combined procedure for preparation of plastocyanin, ferredoxin and CF1. (1975) (8)
Calcium Activated Oxygen Evolution (1990) (8)
Reversal of dibromothymoquinone inhibition of photosynthetic electron transport by bovine serum albumin. (1980) (8)
Binding stoichiometry and affinity of the manganese-stabilizing protein affects redox reactions on the oxidizing side of photosystem II. (2011) (8)
Photosystem II - mediated cyclic photophosphorylation. (1976) (8)
Steady-state kinetic analyses of photosystem II activity catalyzed by lipophilic electron acceptors. (1979) (8)
The double mutation ΔL6MW241F in PsbO, the photosystem II manganese stabilizing protein, yields insights into the evolution of its structure and function (2010) (7)
On the origin of light-induced changes in the proton magnetic relaxation rate of chloroplast thylakoid membrane suspensions. (1981) (7)
Assembly and function of the Photosystem II manganese stabilizing protein: lessons from its natively unfolded behavior (2005) (6)
Chlorophyll-Protein Interactions in Photosystem II. Resonance Raman Spectroscopy of the D1-D2-cytochrome b559 Complex and the 47 kDa Protein (1990) (6)
Photophosphorylation Associated with Photosystem II: III. Characterization of Uncoupling, Energy Transfer Inhibition, and Proton Uptake Reactions Associated with Photosystem II Cyclic Photophosphorylation. (1977) (6)
Failure of type A botulinum toxin to inhibit acetylcholinesterase (1968) (6)
Photosystems I and II: Structure, Proteins, and Cofactors (1986) (5)
The Reducing Side of Photosystem I1 (1973) (5)
Photophosphorylation Associated with Photosystem II: IV. KINETIC ANALYSES OF PHOTOSYSTEM II CYCLIC PHOTOPHOSPHORYLATION ACTIVITY: EVIDENCE FOR TWO CYCLIC REACTIONS. (1981) (4)
Primary Charge Separation in Photosystem II (1996) (4)
Inorganic Ions Affect Reductant-Mediated Inhibition of the Manganese Cluster of PSII (1990) (4)
Characterization of the Mn Site in the Photosynthetic Oxygen Evolving Complex: The Effect of Hydroxylamine and Hydroquinone on the X-ray Absorption Spectra (1993) (4)
Probing the N-terminal sequence of spinach PsbO: evidence that essential threonine residues bind to different functional sites in eukaryotic photosystem II (2012) (3)
X-Ray Absorption Spectroscopy of the Photosynthetic Oxygen Evolving Complex (1990) (2)
Alteration of QB Activity in Photosystem II (1990) (2)
The Role of Water-Soluble Polypeptides and Calcium in Photosynthetic Oxygen Evolution (1986) (2)
Methods in enzymology : Vol. 148, Plant Cell Membranes Edited by . Academic Press, Orlando, FL, 1987. $79.00 (1988) (2)
Dedication/Perspective: A tribute to Jerry Babcock (2005) (2)
Charge separation in the photosystem II reaction center resolved by multispectral two-dimensional electronic spectroscopy (2022) (2)
XAS of Mn in the photosynthetic oxygen evolving complex (1989) (2)
Calcium Requirement for S-State Transitions (2008) (2)
CHAPTER 4 – Iron-Sulfur Proteins in Photosynthesis (1973) (2)
Advances in Photosynthesis and Respiration, Volume 14: ‘Photosynthesis in Algae’, edited by Anthony Larkum, Susan Douglas and John Raven (2004) (1)
Characterization of a photosystem II reaction center complex isolated by exposure of PSII membranes to a non-ionic detergent and high concentrations of NaCl (2004) (1)
Notes on Chinchilla Liberations in California (1955) (1)
Pigment Content and EPR Characterization of the Photochemical Reaction Center of Photosystem II (1990) (1)
Spectral Hole Burning Studies of Photosystem II Reaction Centers: Excited State Structure, Charge Separation and Energy Transfer Dynamics (1990) (1)
Advances in Photosynthesis and Respiration, Volumes 15 and 16: ‘Respiration in Archaea and Bacteria’, Edited by Davide Zannoni (2004) (1)
Structures and Organization on the Oxidizing Side of Photosystem II (1990) (1)
The Reducing Side of Photosystem I: Role of Ferredoxin Reducing Substance (FRS) (1972) (1)
The Coupling Factor (Ca-ATPase) of the Cyanobacterium Spirulina Plantensis (1984) (1)
Two-Dimensional Crystals of the CP47-D1-D2-Cytochrome b559 Complex of Photosystem II (1990) (1)
Functional Identity between Spinach and Arabidopsis Manganese-Stabilizing Protein in Spinach Photosystem II (1995) (1)
Photophosphorylation Associated with Photosystem II (1)
Properties of the Cyanobacterial Coupling Factor ATPase from Spiruiina piatensis (2003) (1)
Illumination Response of the S−1 State Investigated by X-ray Absorption Spectroscopy (1995) (0)
Tentative Checklist of the Birds of Southeastern Washington (1949) (0)
Bacterial Overexpression and Site-directed Mutagenesis of the PS2 Manganese Stabilizing Protein: Progress in Elucidation of Structure and Function (1998) (0)
Effects of Anionic Activators on the S-State Cycle (1998) (0)
Grazing‐angle characterization of photosynthetic oxygen evolution protein monolayers (1996) (0)
Properties of the 47KDa Protein and the D1-D2-Cyt B559 Complex (1989) (0)
Two Dimensional Broadband Electronic Spectroscopy of Photosystem II Core Complexes (2013) (0)
Energy Metabolism Energy Transformation in Biological Systems: In Tribute to Fritz Lipmann on His 75th Birthday American Elsevier (1976) (0)
Applications of X-ray Absorption Spectroscopy to Characterization of the Mn Cluster in the Photosynthetic Oxygen Evolving Complex (1998) (0)
Characterization of a Cold-Sensitive Assembly Mutant of Manganese-Stabilizing Protein (1995) (0)
Topology of manganese release on inactivation of the oxygen evolving complex an nmr study (1981) (0)
Femtosecond Studies of the Primary Charge Separation in Different Preparations of Photosystem II (1995) (0)
Characterization of the Mn sites in manganese redox proteins: Mn catalase and the photosynthetic oxygen evolving complex. (1991) (0)
Probing the N-terminal sequence of spinach PsbO: evidence that essential threonine residues bind to different functional sites in eukaryotic photosystem II (2012) (0)
Book Review:Photosynthesis. Cell Biology: A Series of Monographs, Volume 1. Christine H. Foyer (1985) (0)
University of Groningen Characterization by Electron Microscopy of Isolated Particles and Two-Dimensional Crystals of the CP47-D1-D2-Cytochrome b-559 Complex of Photosystem II (2001) (0)
Two Phosphorylating Cycles Associated with Photosystem I (1984) (0)
Transient Absorption Studies of the Primary Charge Separation in Reaction Centers of Photosystem II (1996) (0)
CHARACTERIZATION OF UNCOUPLING , ENERGY TRANSFER INHIBITION , AND PROTON UPTAKE REACTIONS ASSOCIATED WITH PHOTOSYSTEM (0)
Functional Characterization of PsbO, the PSII Manganese Stabilizing Protein (2008) (0)
The PSII Ca 2+ site revisited* (2008) (0)
Biochemical and Spectroscopic Properties of Heat-Treated Manganese Stabilizing Protein (1998) (0)
Structural characterization of the manganese cluster in the photosynthetic oxygen evolving complex (1995) (0)
Structural characterization of the Mn sites in Mn catalase and in the photosynthetic oxygen evolving complex (1997) (0)
EXAFS analyses of manganese enzymes (1996) (0)
Photosystem 2 and the oxygen evolving complex: a brief overview (2022) (0)
Kinetics and structure on the high potential side of photosystem. II (1987) (0)
Structure, Function and Utilization of Plant Photosynthetic Reaction Centers (2012) (0)
Preface: special issues on photosystem II (2022) (0)
Structural characterization of reduced and chemically substituted derivatives of the MN cluster in the photosynthetic oxygen evolving complex (1993) (0)
Theoretical Study of Electron Transfer Rate from Phylloquinones to Iron-Sulfur Cluster (Fx) in Photosystem I (2013) (0)

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What Schools Are Affiliated With Charles F. Yocum?

Charles F. Yocum is affiliated with the following schools:

University of Michigan
Michigan State University
University of Crete
Leiden University